<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>动画演示</title>
    <style>
        #div1 {
            width: 100px;
            height: 100px;
            background-color: #93d0ea;
        }
    </style>
</head>
<body>
    <div id="div1"></div>
    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
    <script src="./animation.js"></script>
</body>
</html>